Hextrioctium (Hto)

Hextrioctium is the systematic name of the theoretical 638-и element in the periodic table with a symbol of Hto and atomic number of 638. Hextrioctium, also known as element 638, has шестстотин трийсет и осем protons in its nucleus, and шестстотин трийсет и осем electrons in its shells.